Place tortillas in a single layer on baking sheet. Spray with nonstick cooking spray. Bake for 8 minutes or until crisp. Turn tortillas over, and bake 3 minutes more.

In a large skillet, cook chorizo and onion over medium heat for 8 to 10 minutes or until chorizo is browned and crumbly drain well.

In a small saucepan, cook refried beans over medium low heat, stirring occasionally, for 6 to 8 minutes or until hot. Spread beans evenly on each tortilla. Top with chorizo mixture.

In a small skillet, melt 2 teaspoons butter over medium heat. Crack 2 eggs into skillet; cover and cook for 3 to 4 minutes or until yolks reach desired degree of doneness. Repeat procedures with remaining butter and eggs.

Place 1 fried egg over each tortilla. Top eggs with salsa, queso fresco, and avocado slices. Serve with cilantro cream. Garnish with cilantro and lime wedges, if desired.